Home / 220,534.92-304,334.06-123,740.51

Finding the Fourth Proportional to 220,534.92, 304,334.06 and 123,740.51

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Solution

The fourth proportional to 220,534.92, 304,334.06 and 123,740.51 is: 170,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,534.92 : 304,334.06 = 123,740.51 : x
  2. Step 2: Convert to fraction form
    220,534.92/304,334.06 = 123,740.51/x
  3. Step 3: Cross multiply
    220,534.92x = 304,334.06 × 123,740.51
  4. Step 4: Simplify right side
    220,534.92x = 37,658,449,654.40
  5. Step 5: Solve for x
    x = 37,658,449,654.40/220,534.92
  6. Step 6: Final answer
    x = 170,759.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.